google.load('visualization', '1.0', {'packages':['corechart']});
google.setOnLoadCallback(function(){
  var data = new google.visualization.DataTable();
       data.addColumn('string', '日');
       data.addColumn('number', '推測');
       data.addColumn('number', '推測');
       data.addColumn('number', 'iOS前月');
       data.addColumn('number', 'iOS当月');
       data.addRows([
        ['1日',245,null,null,142],
['2日',218,null,null,191],
['3日',220,null,null,172],
['4日',235,null,null,190],
['5日',184,null,184,187],
['6日',null,172,135,172],
['7日',null,210,162,null],
['8日',190,229,190,null],
['9日',221,182,null,182],
['10日',118,220,118,null],
['11日',null,217,154,null],
['12日',174,184,174,184],
['13日',211,null,null,125],
['14日',234,null,null,138],
['15日',152,168,152,168],
['16日',null,205,175,null],
['17日',null,157,120,157],
['18日',null,173,152,173],
['19日',null,209,162,null],
['20日',null,218,120,null],
['21日',158,133,158,133],
['22日',228,null,null,152],
['23日',171,null,171,123],
['24日',152,null,152,97],
['25日',210,null,null,119],
['26日',217,null,null,150],
['27日',171,null,171,160],
['28日',206,null,null,163],
['29日',198,null,198,121],
['30日',null,138,184,138],
['31日',null,null,191,null]
        ]);
  var options = {
    chartArea: {'width':'85%', 'height':'65%', 'left':60 },
    'pointSize': 3,
    hAxis: { titleTextStyle:{italic:false}, format:'#',ticks: [1,5,10,15,20,25,30] },
    vAxis: { title:'2024年4月ランキング',  titleTextStyle:{italic:false}, format:'#',viewWindow:{min:0,max:250},direction:-1 },
    legend: {position: 'top' },
    tooltip: { trigger: 'both' },
    focusTarget: 'category',
    colors:['skyblue','pink','#2980b9','#e74c3c']
  };

  var chart = new google.visualization.LineChart(document.getElementById('graphField'));
  chart.draw(data, options);

  var lastlogday=30 -1 ;
  var lastlogcat=4;

  if(lastlogday>=0){
    chart.setSelection([{
      row: lastlogday,
      column: lastlogcat
    }]);
  
    google.visualization.events.addListener(chart, 'click', function() {
      if(chart.getSelection()[0]){
        //chart.setSelection(null)
      }
    });
  }

});